【C12】A．careB．concernC．attentionD．intention

A．advantageB．concernC．benefitD．importance

【C7】A．concernsB．concernC．concerningD．concerned

【C3】A．extensionB．retentionC．attentionD．exertion

【C12】A．preoccupationB．perceptionC．attentionD．focus

【C7】A．issueB．concernC．certaintyD．accident

_________(59)A.care B.concernC.attention D.intent